NSN 5305-00-485-9256

Part Details | MACHINE SCREW

5305-00-485-9256 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Alternate Parts: 105783, 10-5783, 00185, 105783, 10-5783, 105783, 10-5783, 5305-00-485-9256, 00-485-9256, 5305004859256, 004859256

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-485-925606657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-485-9256
Part Number Cage Code Manufacturer
10-578377820AMPHENOL CORPORATIONDBA AMPHENOL AEROSPACE OPERATIONS
0018514153DEFENSE LOGISTICS AGENCYDBA DEFENSE SUPPLY CENTER
10-578328839TELEDYNE INDUSTRIES INCTELEDYNE POWER SYSTEMS DIV
10-578359501UNISON INDUSTRIES, LLC
Technical Data | NSN 5305-00-485-9256
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.681 INCHES MINIMUM AND 0.693 INCHES MAXIMUM
FASTENER LENGTH0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
SCREW MATERIAL STEEL CORROSION RESISTING
HEAD STYLE HEXAGON
HEAD HEIGHT0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
INTERNAL DRIVE STYLE0 CROSS RECESS TYPE 1